- All sections
- F - Mechanical engineering; lighting; heating; weapons; blasting
- F25B - Refrigeration machines, plants or systems; combined heating and refrigeration systems; heat pump systems
- F25B 21/00 - Machines, plants or systems, using electric or magnetic effects
Patent holdings for IPC class F25B 21/00
Total number of patents in this class: 751
10-year publication summary
74
|
66
|
70
|
73
|
80
|
75
|
67
|
42
|
37
|
17
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Haier US Appliance Solutions, Inc. | 3178 |
61 |
Daikin Industries, Ltd. | 9495 |
30 |
Carrier Corporation | 4759 |
30 |
Cooltech Applications S.A.S. | 30 |
24 |
Denso Corporation | 23338 |
16 |
Sanden Holdings Corporation | 216 |
16 |
Samsung Electronics Co., Ltd. | 131630 |
15 |
Mitsubishi Electric Corporation | 43934 |
14 |
BASF SE | 19740 |
13 |
Toshiba Corporation | 12017 |
12 |
Astronautics Corporation of America | 37 |
12 |
Haier Smart Home Co., Ltd. | 4882 |
11 |
Magnoric | 12 |
11 |
The Regents of the University of California | 18943 |
10 |
Nissan Motor Co., Ltd. | 12249 |
10 |
Vacuumschmelze GmbH & Co. KG | 253 |
10 |
United Technologies Corporation | 2328 |
9 |
Murata Manufacturing Co., Ltd. | 22355 |
9 |
National Institute for Materials Science | 1108 |
9 |
Qingdao Haier Refrigerator Co., Ltd | 1378 |
9 |
Other owners | 420 |